Measure atmospheric pressure and altitude. Switch between pressure units like hPa, mmHg, and inches of mercury. Display real-time readings and track changes over time.
by Chen-Yu Wei★ 5.01 ratingsUtilitiesFreeData updated 2026-09-06
Measure and display decibel levels in real time using a gauge. Record maximum, average, and minimum decibel values with a logarithmic graph. View accurate level readings. Access a history page to review past decibel data.
Measure size with a smartphone camera using guided steps. Select from US, UK, or EU sizing standards. Save previous measurements for future reference. Share results directly with retailers or jewelers.
Convert lengths between metric and imperial units. Switch between meters, centimeters, inches, and feet. Input values manually or via voice. Save frequently used conversions. Share results via copy or email.
Manage altitude with customizable VNAV settings for precise control. Set altitude alerts and use ALT HOLD mode for minimal setup. Track vertical navigation parameters and adjust flight paths accordingly.
Measures roadway curve angles in degrees. Calculates combined effects of superelevation, vehicle roll, and lateral acceleration. Provides advisory speed recommendations for horizontal curves. Syncs with devices for data storage and analysis.
BulletFlight provides real-time ballistic solutions for shooting accuracy. Input weather data including temperature, pressure, humidity, wind speed, and direction. Calculate drop and wind drift adjustments.
Get real-time weather updates with current temperature, humidity, wind speed, and air pressure. View detailed forecasts for your location or any global destination. Receive alerts for severe weather conditions. Track weather trends over time.
Calculate fluid in pipes using the Darcy-Weisbach equation and Colebrook-White friction factors. Input pressure loss, diameter, and length to determine . Account for friction and fitting losses with K values. Export results and save calculations.
Calculate BMI using height and weight. Determine healthy weight range based on height. Choose height units from mm, cm, m, km, inches, feet. Select weight units from kg, lb. Set decimal places for precision.
Convert units across 20+ categories including currency, area, temperature, and mass. Switch between 300+ units. Input values and instantly see converted results. Save frequently used conversions. Share converted values via copy-paste.
Monitor sensor data in real time including accelerometer, gyroscope, GPS, barometer, and compass. View detailed readings and generate graphs. Use decibel meter, metal detector, and other tools for environmental measurements.
Uses a device's magnetic sensor to find objects and measure magnetic field strength in microteslas. Display real-time readings with a live dial and track changes using a history graph.
Measure with real-time readings and +/- 1 dB accuracy. Log and analyze noise data over time. Set custom thresholds and receive alerts. Export measurement logs in various formats. Sync data with cloud storage for long-term tracking.
Measure angles with horizontal, vertical, and dual-axis guides. Use bubble and circle levels for precise alignment. Set custom zero points for relative measurements. Lock readings for easy recording. Display real-time degrees and visual indicators.
Access real-time weather data including METAR and TAF reports. View significant weather charts. Calculate fuel uplift with a dedicated tool. Adjust temperatures for altitude. Use iPhone widgets and a watch for quick access.
Convert units between length, weight, temperature,
Convert units of length, weight, temperature, volume, and speed. Switch between miles, kilometers, Celsius, Fahrenheit, gallons, liters, and more. Calculate conversions instantly and save frequently used units.
Convert units and currencies with quick searches and customizable favorites. Access essential conversions with a sleek interface. Set preferred units and categories for easy access. Perform fast conversions without additional steps.